Princess Darina: is a siren royalty who hunts humans to add another heart to her collection. Though, one day, when she doesn't come to her mother's call, she gets punished with a heavy task. Get the pirate prince's heart or die unworthy of the crown. Prince Archibald: has made his own home onto the Rival. Where he kills sirens with his crew to stop the never ending war between water and air. Though, when he sees a stranded woman, who promises can put an end to it all, he doesn't know if he either should trust her words, or that he will be betrayed... "A never ending story between two kingdoms who want the same thing but with other intentions."